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Chimamanda Ngozi Adichie: The danger of a single story | TED

I'm a storyteller. And I would like to tell you a few personal stories about what I like to call "the danger of the single story." I grew up on…

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Nicholas Christakis: The hidden influence of social networks

For me, this story begins about 15 years ago, when I was a hospice doctor at the University of Chicago. And I was taking care of people who were dying…